Ukuqinisekisa ukuba inkunkuma yeplastiki yokubhala ifuna ukulungiswa, qwalasela le miba ilandelayo:Ingxolo yokusebenza kunye nokungcangcazela:Ukuba ibhali ibonisa ingxolo engaqhelekanga eyongeziweyo okanye ukungcangcazela okubonakalayo ngexesha lokusebenza, inokubonisa ukunxitywa kwelungu, ukukhululeka, okanye ukungalingani, okudinga ukulungiswa. .
Funda ngokugqithisileyo